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AU2982100A - Rare earth magnet for mri scanner made from treated pr-nd bearing ore residuum - Google Patents

Rare earth magnet for mri scanner made from treated pr-nd bearing ore residuum

Info

Publication number
AU2982100A
AU2982100A AU29821/00A AU2982100A AU2982100A AU 2982100 A AU2982100 A AU 2982100A AU 29821/00 A AU29821/00 A AU 29821/00A AU 2982100 A AU2982100 A AU 2982100A AU 2982100 A AU2982100 A AU 2982100A
Authority
AU
Australia
Prior art keywords
treated
rare earth
earth magnet
mri scanner
bearing ore
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
AU29821/00A
Inventor
Mark Gilbert Benz
Juliana Ching Shei
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by General Electric Co filed Critical General Electric Co
Publication of AU2982100A publication Critical patent/AU2982100A/en
Abandoned legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B59/00—Obtaining rare earth metals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/383—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using permanent magnets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
    • H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
    • H01F1/047—Alloys characterised by their composition
    • H01F1/053—Alloys characterised by their composition containing rare earth metals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
    • H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
    • H01F1/047—Alloys characterised by their composition
    • H01F1/053—Alloys characterised by their composition containing rare earth metals
    • H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
    • H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Organic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Geology (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Powder Metallurgy (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Hard Magnetic Materials (AREA)
AU29821/00A 1999-02-12 2000-02-03 Rare earth magnet for mri scanner made from treated pr-nd bearing ore residuum Abandoned AU2982100A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/248,950 US6377049B1 (en) 1999-02-12 1999-02-12 Residuum rare earth magnet
US09248950 1999-02-12
PCT/US2000/002945 WO2000047786A1 (en) 1999-02-12 2000-02-03 Rare earth magnet for mri scanner made from treated pr-nd bearing ore residuum

Publications (1)

Publication Number Publication Date
AU2982100A true AU2982100A (en) 2000-08-29

Family

ID=22941403

Family Applications (1)

Application Number Title Priority Date Filing Date
AU29821/00A Abandoned AU2982100A (en) 1999-02-12 2000-02-03 Rare earth magnet for mri scanner made from treated pr-nd bearing ore residuum

Country Status (7)

Country Link
US (2) US6377049B1 (en)
EP (1) EP1071829B1 (en)
JP (1) JP4795540B2 (en)
CN (2) CN100580438C (en)
AU (1) AU2982100A (en)
DE (1) DE60014267T2 (en)
WO (1) WO2000047786A1 (en)

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* Cited by examiner, † Cited by third party
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US6377049B1 (en) * 1999-02-12 2002-04-23 General Electric Company Residuum rare earth magnet
JP3705995B2 (en) * 2000-04-19 2005-10-12 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー Gradient coil manufacturing method, gradient coil, and magnetic resonance imaging apparatus
WO2004104600A2 (en) * 2003-05-16 2004-12-02 The Boc Group, Inc. Nmr measuring system for weight and humidity of powders
JP2007502431A (en) * 2003-05-16 2007-02-08 ザ・ビーオーシー・グループ・インコーポレーテッド Magnetic resonance method
CN1787885A (en) * 2003-05-16 2006-06-14 波克股份有限公司 Cleaning method for NMR check weighing system
KR20060020631A (en) * 2003-05-16 2006-03-06 더 비오씨 그룹 인코포레이티드 Magnetic resonance method for determining sample mass and determination of metal presence in sample
CN100504432C (en) * 2003-05-23 2009-06-24 西门子（中国）有限公司 Magnetostatic field regulating method in magnetic resonance equipment and magnetostatic field generating apparatus thereof
US7061239B2 (en) * 2004-04-30 2006-06-13 The Boc Group, Inc. Method for magnetic field tracking in a NMR check weighing system
US7064548B2 (en) * 2004-04-30 2006-06-20 The Boc Group, Inc. RF probe apparatus for NMR check weighing system
US7084627B2 (en) * 2004-04-30 2006-08-01 The Boc Group, Inc. Method for triggering NMR measurement in a NMR check weighing system
WO2005111562A1 (en) * 2004-05-03 2005-11-24 The Boc Group, Inc. Method for accurate determination of sample temperature in a nmr check weighing system
US7041914B2 (en) * 2004-05-04 2006-05-09 The Boc Group, Inc. Method for compensation of near-neighbor sample effects in a NMR check weighing system
ITSV20040020A1 (en) * 2004-05-07 2004-08-07 Esaote Spa MAGNETIC STRUCTURE FOR MRI AND MRI MACHINES
CN100415162C (en) * 2005-03-09 2008-09-03 Ge医疗系统环球技术有限公司 Magnetic system and magnetic resonance imaging apparatus
US20070137733A1 (en) * 2005-12-21 2007-06-21 Shengzhi Dong Mixed rare-earth based high-coercivity permanent magnet
AU2012231686B2 (en) 2011-03-18 2015-08-27 Aem Technologies Inc. Processes for recovering rare earth elements from aluminum-bearing materials
WO2013037054A1 (en) 2011-09-16 2013-03-21 Orbite Aluminae Inc. Processes for preparing alumina and various other products
RU2016104423A (en) 2012-01-10 2018-11-22 Орбит Текнолоджис Инк. METHODS FOR PROCESSING RED SLUR
JP2015516507A (en) * 2012-03-19 2015-06-11 オーバイト アルミナ インコーポレイテッドＯｒｂｉｔｅ Ａｌｕｍｉｎａｅ Ｉｎｃ． Process for recovering rare earth elements and rare metals
US10115225B2 (en) 2016-09-07 2018-10-30 Caterpillar Inc. System and method for onboard and offboard visualization of material characteristics in mining
CN113608274A (en) * 2021-09-02 2021-11-05 三门峡金地之源物探科技有限公司 a geophysical instrument

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US3729397A (en) 1970-09-25 1973-04-24 Molybdenum Corp Method for the recovery of rare earth metal alloys
US4684406A (en) 1983-05-21 1987-08-04 Sumitomo Special Metals Co., Ltd. Permanent magnet materials
US4597938A (en) 1983-05-21 1986-07-01 Sumitomo Special Metals Co., Ltd. Process for producing permanent magnet materials
JPS6144155A (en) * 1984-08-09 1986-03-03 Santoku Kinzoku Kogyo Kk Permanent magnet alloy
JPS6150310A (en) * 1984-08-11 1986-03-12 Tohoku Metal Ind Ltd Sintered type rare-earth magnet
US4684448A (en) 1984-10-03 1987-08-04 Sumitomo Light Metal Industries, Ltd. Process of producing neodymium-iron alloy
US4747924A (en) 1984-10-03 1988-05-31 Sumitomo Light Metal Industries, Ltd. Apparatus for producing neodymium-iron alloy
US4865660A (en) 1985-02-28 1989-09-12 Sumitomo Metal Mining Company Ltd. Rare-earth element/cobalt type magnet powder for resin magnets
US4689073A (en) 1985-02-28 1987-08-25 Sumitomo Metal Mining Company Limited Method for production of rare-earth element/cobalt type magnetic powder for resin magnet
JPH068488B2 (en) * 1985-06-21 1994-02-02 住友特殊金属株式会社 Permanent magnet alloy
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RU2030463C1 (en) * 1990-10-30 1995-03-10 Государственный научно-исследовательский проектный институт редкометаллической промышленности "Гиредмет" Method of neodymium extraction from concentrate of rare-earth metal of cerium subgroup
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JP2002536550A (en) * 2000-02-02 2002-10-29 ベイオトウ・アイアン・アンド・スティール・（グループ）・カンパニイ・リミテッド Direct production process route for mixed rare earth metal oxides by selective extraction

Also Published As

Publication number Publication date
US20020056185A1 (en) 2002-05-16
US6507193B2 (en) 2003-01-14
CN1624464A (en) 2005-06-08
CN1210418C (en) 2005-07-13
EP1071829B1 (en) 2004-09-29
EP1071829A1 (en) 2001-01-31
WO2000047786A1 (en) 2000-08-17
CN100580438C (en) 2010-01-13
DE60014267D1 (en) 2004-11-04
DE60014267T2 (en) 2006-03-09
JP2002536838A (en) 2002-10-29
JP4795540B2 (en) 2011-10-19
US6377049B1 (en) 2002-04-23
CN1300326A (en) 2001-06-20

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase